4956580
Spline Coupling Hub
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$529.95 $630.64

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The 4956580 Spline Coupling Hub, manufactured by Cummins, is a component designed for use in commercial truck operations. Cummins, a well-established name in the industry, produces this part to enhance the efficiency and reliability of truck drivetrains. The Spline Coupling Hub is integral to the smooth operation of commercial trucks, ensuring that power is effectively transmitted from the engine to the wheels.

Basic Concepts of Spline Coupling Hubs

A Spline Coupling Hub is a mechanical device that connects two shafts, allowing them to rotate together while accommodating slight misalignments. It consists of splines—ridges or teeth—that mesh together to transmit torque. In the context of a truck’s drivetrain, the Spline Coupling Hub ensures that power is efficiently transferred from the transmission to the differential, enabling the truck to move 1.

Purpose of the 4956580 Spline Coupling Hub

The 4956580 Spline Coupling Hub plays a specific role in the operation of a truck by transmitting torque between the transmission and the differential. It is designed to handle the high loads and stresses encountered in commercial truck applications. Additionally, it accommodates minor misalignments between connected components, which can occur due to thermal expansion, wear, or manufacturing tolerances. This feature helps maintain the integrity of the drivetrain and ensures consistent performance 2.

Key Features

The 4956580 Spline Coupling Hub is characterized by several notable features that enhance its performance and durability. Its design includes precision-machined splines that ensure a secure fit and efficient torque transmission. The hub is constructed from high-strength materials, such as alloy steel, to withstand the rigors of commercial truck use. Additionally, it may feature unique attributes like enhanced lubrication channels or specialized coatings to reduce friction and wear 3.

Benefits

The advantages provided by the 4956580 Spline Coupling Hub include improved efficiency in torque transmission, reduced wear on connected components, and enhanced overall performance of the truck’s drivetrain. By ensuring a smooth and consistent transfer of power, the hub contributes to the truck’s reliability and longevity. Furthermore, its ability to accommodate misalignments helps prevent damage to other drivetrain components, leading to lower maintenance costs and increased uptime 4.

Installation Considerations

Proper installation of the 4956580 Spline Coupling Hub is crucial for its effective functioning. Installation procedures should include thorough cleaning of mating surfaces to prevent contamination. The use of appropriate tools, such as torque wrenches and alignment tools, is necessary to ensure correct fitting and alignment. Following the manufacturer’s guidelines for torque specifications and alignment tolerances will help achieve optimal performance and durability.

Troubleshooting Common Issues

Typical problems that may arise with the 4956580 Spline Coupling Hub include excessive wear, noise during operation, or difficulty in engagement. Diagnostic steps should involve inspecting the splines for signs of wear or damage, checking lubrication levels, and ensuring proper alignment. Solutions may include re-lubrication, replacement of worn components, or adjustment of alignment to resolve these issues.

Maintenance Tips

Routine maintenance practices can prolong the lifespan of the 4956580 Spline Coupling Hub. Regular lubrication according to the manufacturer’s schedule is vital to reduce friction and wear. Inspection intervals should be established to check for signs of damage or excessive wear. Additionally, monitoring for any unusual noises or vibrations during operation can help identify potential issues before they lead to failure.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and reliability in the commercial truck industry. The company’s extensive product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicle applications. The 4956580 Spline Coupling Hub is a testament to Cummins’ commitment to providing high-quality, reliable components for the trucking industry.

Spline Coupling Hub (Part 4956580) in Cummins Engines

The Spline Coupling Hub, identified by the part number 4956580, is a critical component in various Cummins engines, including the KTA19GC. This part is integral to the engine’s operation, ensuring the smooth transfer of torque between the engine and other components.

KTA19GC Engine

In the KTA19GC engine, the Spline Coupling Hub plays a pivotal role in connecting the engine’s crankshaft to the transmission or other driven components. This connection is essential for the efficient transfer of power, allowing the engine to drive the vehicle or machinery effectively. The spline coupling hub’s design ensures a secure and reliable connection, minimizing the risk of slippage or failure under load.

Grouping of Engines

The Spline Coupling Hub (4956580) is not limited to the KTA19GC engine but is also used in other Cummins engines within the same engine family. These engines share similar design principles and operational requirements, making the spline coupling hub a versatile component across multiple models. The commonality in design allows for easier maintenance and repair, as technicians can use the same part across different engine types.

Importance of the Spline Coupling Hub

The spline coupling hub is crucial for maintaining the integrity of the engine’s power transmission system. Its design ensures that the torque is evenly distributed, reducing the risk of mechanical failure. Additionally, the use of high-quality materials in the manufacturing of this part ensures durability and longevity, even under demanding operating conditions.

Application in Other Cummins Engines

While the KTA19GC is a notable example, the Spline Coupling Hub (4956580) is also utilized in other Cummins engines. This part’s compatibility across various engine models underscores its importance in the overall engine design. The consistent use of this component across different engines highlights its reliability and effectiveness in ensuring smooth power transmission.

Role of Part 4956580 Spline Coupling Hub in Engine Systems

The 4956580 Spline Coupling Hub is an integral component in the synchronization and efficient operation of various engine systems. Its primary function is to facilitate the smooth transfer of rotational force between the engine and other mechanical components, ensuring that power is delivered consistently and effectively.

In the context of a Generator, the Spline Coupling Hub connects the engine’s output shaft to the generator’s input shaft. This connection is vital for the generator to convert mechanical energy into electrical energy. The hub ensures that the rotational speed and torque from the engine are transmitted without loss, allowing the generator to operate at optimal efficiency.

When considering Generator Mounting, the Spline Coupling Hub plays a role in maintaining the structural integrity and alignment of the generator relative to the engine. Proper alignment is essential for reducing wear and tear on both the engine and generator components, thereby enhancing the longevity and reliability of the system.

Within the broader System of engine operations, the Spline Coupling Hub contributes to the overall harmony of mechanical interactions. It helps in balancing the load distribution across various components, which is particularly important in high-stress environments where engine performance is paramount.

In the Ignition system, although the Spline Coupling Hub is not directly involved in the spark generation process, it indirectly supports ignition efficiency by ensuring that the engine components rotate smoothly. This smooth rotation can lead to more consistent fuel combustion, which is essential for maintaining engine performance and fuel efficiency.

Overall, the 4956580 Spline Coupling Hub is a key element in the seamless integration and operation of these engine systems, playing a significant role in the efficient transfer of power and the maintenance of mechanical harmony.

Conclusion

The 4956580 Spline Coupling Hub is a critical component in the efficient operation of commercial truck drivetrains and Cummins engines. Its design ensures the smooth transfer of torque, accommodates misalignments, and contributes to the overall reliability and performance of the engine systems. Proper installation, maintenance, and troubleshooting are essential to maximize the benefits of this part.


  1. Peters, G., & Peters, B. J. (2002). Automobile Vehicle Safety. CRC Press.

  2. Zhan, Q., Eben, S., & Deng, L. K. (2018). Automotive Heating Ventilation and Air Conditioning. Jones Bartlett Learning.

  3. Xin, Q. (2011). Diesel Engine System Design. Woodhead Publishing Limited.

  4. Bonnick, A. (2004). A Practical Approach to Motor Vehicle Engineering and Maintenance. Elsevier.

SPECIFICATIONS

Package Dimensions
2.5 x 1.7 x 2.8 in
Weight
0.22 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.